Fushiman Co.
Fushiman JOB40 type expansion joint (single type)

Manufacturer: Fushiman Co.,LTD.
Model: JOB40
Model | Nominal diameter | Method | Fluid | Maximum Operating Pressure | Maximum Operating Temperature | Body Material | Connection |
---|---|---|---|---|---|---|---|
JOB40 | 20–300 | Bellows | Steam Gas Liquid | 2.0 MPa | 220°C | SS | Flanges |
Application
Used to absorb expansion and contraction in piping.
Features
- Bellows are made of low-carbon SUS316L
- All wetted parts are made of stainless steel
- No packing used
Structure / Part Name / Material
Part Name | Material | Part Name | Material |
---|---|---|---|
Tension Flange | SUS316L | Face-to-Face Fixing Bolt | SS400 |
Pipe Flange | SS400 | Face-to-Face Fixing Plate | SPHC or SS400 |
Outer Tube | SPHC or SS400 | Reinforcement Ring | SS400 |
Bellows | SUS316L | Anchor Base | SS400 |
Inner Tube | SUS316L |
Specifications
Item | Specification |
---|---|
Nominal Diameter | 20–300 |
Maximum Operating Pressure | 2.0 MPa |
Pressure Test | 3.0 MPa |
Maximum Operating Temperature | 220°C |
Fluid | Steam, hot/cold water, oil, and non-corrosive gas |
Pipe Connection | Flange JIS 20K |
Dimensions / Performance / Mass
Single Type (Model JOB40) | Double Type (Model JOB41) | ||||||||||||||||||||||||||
Part/Nominal Diameter | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
Set Face-to-Face Length (L) | 365 | 415 | 440 | 465 | 565 | 680 | 780 | 880 | 930 | 980 | 1130 | ||||||||||||||||
Maximum Face-to-Face (L₁) | 375 | 425 | 450 | 475 | 575 | 700 | 800 | 900 | 950 | 1000 | 1150 | ||||||||||||||||
Minimum Face-to-Face (L₂) | 340 | 390 | 415 | 440 | 540 | 630 | 730 | 830 | 880 | 930 | 1080 | ||||||||||||||||
Max. Stroke (δ) | Extension (δe): 10 Compression (δc): 25 | Extension (δe): 20 (10 per side) Compression (δc): 50 (25 per side) | |||||||||||||||||||||||||
Anchor base | K | — | 60 | 70 | 80 | 100 | 110 | 130 | 150 | 180 | 220 | 280 | 300 | ||||||||||||||
J | — | 100 | 120 | 160 | 180 | 200 | |||||||||||||||||||||
H | — | 100 | 120 | 130 | 140 | 150 | 170 | 200 | 220 | 250 | 300 | 350 | |||||||||||||||
I | — | 3.2 | 4.0 | 4.5 | 25 | ||||||||||||||||||||||
Bolt Hole Diameter –H₂ | — | 12 | 15 | 19 | 23 | 25 | 27 | ||||||||||||||||||||
Bolt Thread Nominal Size | — | M10 | M12 | M16 | M20 | M22 | M24 | ||||||||||||||||||||
Outer Diameter (D₀) | 58 | 73 | 98 | 110 | 136 | 162 | 212 | 235 | 292 | 333 | 387 | 61 | 76 | 102 | 140 | 165 | 216 | 236 | 236 | 293 | 334 | 387 | |||||
Mass (kg) | 3.5 | 4.5 | 5.616.0 | 8.9 | 12 | 17 | 22 | 35 | 46 | 60 | 90 | 139 | 6 | 8 | 10 | 11 | 15 | 22 | 30 | 40 | 65 | 80 | 105 | 150 | 250 |
Precautions for Use
Avoid using the expansion joint in a state that exceeds the maximum or minimum face-to-face dimension. If the specified dimension is exceeded, inspect and adjust the fixings and guides.
For double-type models, the product’s anchor base is also fixed at the center.
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